Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java

Cyathea contaminans (Hook.) Copel. and Cyathea orientalis (Kunze) T. Moore, which flourish abundantly in the Erek-erek Geoforest ecotourism zone within Ijen Geopark, have long been regarded as ancient plant species. However, during a recent expedition to higher elevations, a tree fern with distinct...

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Main Authors: Ulum Fuad Bahrul, Su’udi Mukhamad, Dwinanti Edia Fitri, Fernanda Rachel Oktavian, Setyati Dwi
Format: Article
Language:English
Published: EDP Sciences 2025-01-01
Series:BIO Web of Conferences
Online Access:https://www.bio-conferences.org/articles/bioconf/pdf/2025/06/bioconf_10thiccc_01029.pdf
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author Ulum Fuad Bahrul
Su’udi Mukhamad
Dwinanti Edia Fitri
Fernanda Rachel Oktavian
Setyati Dwi
author_facet Ulum Fuad Bahrul
Su’udi Mukhamad
Dwinanti Edia Fitri
Fernanda Rachel Oktavian
Setyati Dwi
author_sort Ulum Fuad Bahrul
collection DOAJ
description Cyathea contaminans (Hook.) Copel. and Cyathea orientalis (Kunze) T. Moore, which flourish abundantly in the Erek-erek Geoforest ecotourism zone within Ijen Geopark, have long been regarded as ancient plant species. However, during a recent expedition to higher elevations, a tree fern with distinct morphological features, previously unreported, was discovered. The study, conducted in June 2024 within Ijen Geopark, encompassing the Bondowoso and Banyuwangi Regencies of East Java, involved the documentation and morphological observation of tree ferns at the site. The specimen identified was Cyathea tenggerensis (Rosenst.) Domin, a species distinguished by its unique characteristics, including dense golden-brown hairs enveloping throughout the stipe and costae, a height of up to 10 metres, and a trunk diameter significantly greater than that of C. contaminans and C. orientalis. As no prior records of this species exist within the conservation area, this study provides the first insight into its distribution. Furthermore, the research presents a detailed description of C. tenggerensis and identifies key morphological traits critical for accurate field identification. In light of these findings, we advocate for enhanced conservation measures to safeguard the long-term survival of tree ferns within their native habitat.
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publishDate 2025-01-01
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series BIO Web of Conferences
spelling doaj-art-5d21ba74786f411aa709d56bbda2cda12025-02-05T10:43:23ZengEDP SciencesBIO Web of Conferences2117-44582025-01-011550102910.1051/bioconf/202515501029bioconf_10thiccc_01029Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East JavaUlum Fuad Bahrul0Su’udi Mukhamad1Dwinanti Edia Fitri2Fernanda Rachel Oktavian3Setyati Dwi4Biology Department, Faculty of Mathematics and Science, Jember UniversityBiology Department, Faculty of Mathematics and Science, Jember UniversityBiology Department, Faculty of Mathematics and Science, Jember UniversityBiology Department, Faculty of Mathematics and Science, Jember UniversityBiology Department, Faculty of Mathematics and Science, Jember UniversityCyathea contaminans (Hook.) Copel. and Cyathea orientalis (Kunze) T. Moore, which flourish abundantly in the Erek-erek Geoforest ecotourism zone within Ijen Geopark, have long been regarded as ancient plant species. However, during a recent expedition to higher elevations, a tree fern with distinct morphological features, previously unreported, was discovered. The study, conducted in June 2024 within Ijen Geopark, encompassing the Bondowoso and Banyuwangi Regencies of East Java, involved the documentation and morphological observation of tree ferns at the site. The specimen identified was Cyathea tenggerensis (Rosenst.) Domin, a species distinguished by its unique characteristics, including dense golden-brown hairs enveloping throughout the stipe and costae, a height of up to 10 metres, and a trunk diameter significantly greater than that of C. contaminans and C. orientalis. As no prior records of this species exist within the conservation area, this study provides the first insight into its distribution. Furthermore, the research presents a detailed description of C. tenggerensis and identifies key morphological traits critical for accurate field identification. In light of these findings, we advocate for enhanced conservation measures to safeguard the long-term survival of tree ferns within their native habitat.https://www.bio-conferences.org/articles/bioconf/pdf/2025/06/bioconf_10thiccc_01029.pdf
spellingShingle Ulum Fuad Bahrul
Su’udi Mukhamad
Dwinanti Edia Fitri
Fernanda Rachel Oktavian
Setyati Dwi
Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java
BIO Web of Conferences
title Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java
title_full Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java
title_fullStr Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java
title_full_unstemmed Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java
title_short Cyathea tenggerensis (Rosenst.) Domin from Ijen Geopark, Bondowoso and Banyuwangi, East Java
title_sort cyathea tenggerensis rosenst domin from ijen geopark bondowoso and banyuwangi east java
url https://www.bio-conferences.org/articles/bioconf/pdf/2025/06/bioconf_10thiccc_01029.pdf
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